Crude-oil burner.



1ro/811,429. PATENTED JAN. so, 1906.-

S. E. MGKNIGHT.

CRUDE OIL BURNER.

APPLICATION FILED 11111125.1905.

d ATTUHNEYS No. 811.429. PATBNTED IAN. 30, 1906.

` S. E. MoKNIGHT.

CRUDE OIL BURNER.

INVENTOR 5 Y By ATTORNEYS UNITED sTATEs PATENT OFFIOE.

mSTEPHEN E. MGKNIGHT, OF IOLA, KANSAS, ASSIGNO'R TO SAMUE DAVIDSON, OF YATES CENTER, KANSAS. j'

CRUDE-OIL BURNER.

Specification of Letters Patent.

Patented Jan. 30, 1906.

T (L7/Z whom, it may concern:

Be it known that I, STEPHEN E. MCKNIGHT, a citizen of the United States, and a resident of Iola, in the county of Allen and State of Kansas, have invented a new and Improved Crude-Oil Burner, of which the following is a full, clear, and exact description.

This invention relates to improvements in burners for crude oil of any grade 0r description, the object being to provide a burner so constructed as to issue an intense heat with an economical use of oil, as practically all the products of the Oil -will be volatilized an burned clear of smoke.

y Other objects of the invention will appear in the general description.

I will describe a crude-oil burner embodying my invention and then point out the novel features in the appended claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the fig- Figure 1 is a perspective view of a crudeoil burner embodying my invention, showing it as arranged in a range or stove. Fig. 2 shows the burner in plan, and Fig. 3 is a section onthe line a; of Fig. 2.

The support or furnace for the burner comprises a pan 1, a frame 2, placed on the pan,

and gratings 3 4, arranged on the top of the frame. The pan 1 has an opening in its bottom, and extended upward around this opening are short tubes 5, which will prevent the overiiow of oil into a furnace or the like upon starting the burner; but these tubes will errnit the u ward passage of air, which wil be deflected y inverted- V-shaped bars 6, arranged over the tubes 5 and secured to the side walls of the frame 2. The grate-bars 3 and 4 will spread the flame and also act or serve in consuming smoke. The grating 3 at its inner end has a cross-bar 7, provided with a depression 8 at its center, and the grating 4 has a cross-bar 9, provided with a depression 10 at its center, and this cross-bar 9 abuts against the cross-bar 7. At the opposite end the grating 3 has a cross-bar 11, which is also provided with a depression at its center. In

these several depressions the upper portion of the burner proper is designed to rest and the lower portion or casing 12 will rest in a depression 13, formed in the end wall of the V return of vaporized oil.

frame 2, as clearly indicated in the drawings. This casing 12 is made in'a single casting, as here shown, with any upwardlydisposed member 13, having a port 14 for the passage of oil discharged into the same from a suitable source through a pipe 15. At the upper end the port 14 communicates with a tube 16, leading through an outer return-tube 17, but terminating inward in the end of said returntube.` The return-tube is considerably larger than the tube l1 6,thus providing a space for the The `return-tube 17 communicates, through a port 18, with a miX- ingchamber 19, the said mixing-chamber casing or shell being formed in a casting and having a reducing-chamber 20.

Extended around the sides and ends ofthe furnace or .supporting-frame is an air-supply pipe 21, one end of which has connection with a device for supplying air under pressure. The other end connects with one member of an elbow 22, the other member of said elbow being provided with an ejector 23, which leads into .the mixing-chamber 19. This ejector has screw-thread engagement with a plug 24, and therefore its inner end may be adjusted with relation to the outlet 20.

In the operation, the crude oil will pass through the tube 16, thence back through the pipe 17, and the port 18 to the mixing-chamber, where it mingles with the air passing out of the ejector 23. Upon starting the burner a small amount of oil is to be placed in the pan l and ignited. This of course will heat the air passing through a portion of the pipe 21 within the furnace and also heat the oil in its passage through the tube 16 and the pipe 17. Thus the oil will become vaporized and will be ejected with the heated air, and of course after once starting the flame from the burner will volatilize the oil and heat the air passing through the pipe 21.

It is to be understood that a burner embodying my invention will be made in various sizes, as required-that is, for household prposes, furnaces for steam-boilers, and the I contemplate the use of my invention in connection with a pipe-lined system leading from a central station for supplying air and oil under suitable pressure to any number of burners placed at various points or places for use by consumers.

In some instances the pan 1 may be dis IOO l pensed with,.and therefore I do not limit my invention thereto.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. In a hydrocarbon-oil burner, a frame ,an oil-supply tube supported on the frame, a return-pipe surrounding said tube and communicating with a mixing-chamber having an outlet into the frame, an air-supply pipe bent in substantially rectangular form having portions extended along the inner sides and ends of the frame, and an ejector on one end of aid air-pipe leading inton the mixing-cham- 2. A'hydrocarbon-.oil burner comprising a frame, a grating arranged on the top thereof, an oil-supply tube supported in the grating, a return-pipe for oil surrounding the said tube and communicating with the mixing-chamber, having an outlet into the frame, an air- Supply pipe having ortions extended along the inner sides of t e frame and along the ends thereof, and an adjustable ejector on one end of said air-pipe and leading into the mixing-chamber.

3. In a hydrocarbon-oil burner, a frame, two grates removably placed on the top thereof, cross-bars on said grates having depressions at the center, an oil-return pipe having its ends seated in said depressions, a casting with which the said returnipe connects, an oil-tube extended from sai casting through said return-pipe and terminating inward of its inner end, a port leading Jfrorn said returnpipe through the casting into a mixing-chamber having a reduced outlet in the frame, an air-pipe having a portion arranged in the frame, and an ejector leading from one end of said air-pipe into the mixing-chamber.

4. In a hydrocarbon-burner, a pan having openings in its bottom, tubes surrounding said openings and extending upward in the pan, a frame detachably mounted on the pan, inverted-V-shaped delectors attached to the frame and extending over said tubes, and a burner proper comprising a vaporizing-pipe supported on the frame, and an air-heating pipe arranged in the frame the said pipe being arranged in substantially rectangular form to pass along the sides and ends of the frame.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

STEPHEN E. MCKNIGHT.

Witnesses:

H. L. HENDERSON J. H. HENDERSON. 

